: Martin Landau as Commander John Koenig, Barbara Bain as Dr. Helena Russell, and Catherine Schell as Maya.

: Elizia maintains control through a sadistic game where prisoners are given a "chance" at freedom by becoming prey in a deadly hunt conducted by her guards.

In the cult sci-fi series (originally titled Spazio: 1999 in Italy), the 22nd episode of the second season is titled "Devil's Planet" (Italian title: "Il pianeta del diavolo" ). Episode Overview Original Air Date : April 24, 1977.

You can currently stream this episode on several platforms, including: : Tubi , Pluto TV , and Plex . Subscription : Peacock Premium and Prime Video . Space: 1999 (TV Series 1975–1977) - Episode list - IMDb

: While exploring a planet where all humanoid life appears to have been eradicated, Koenig's Eagle crashes on Entra.

: Koenig must survive the hunt and find a way to convince the warden and the prisoners of the grim reality of their situation to secure his escape back to Moonbase Alpha. Where to Watch

: Koenig is captured by the moon's warden, Elizia , and her guards. He discovers that Entra is a brutal prison where the "Devil’s Planet" (Ellna) below is actually a radioactive wasteland—though the prisoners are unaware that their home world has been wiped out.

: Commander Koenig investigates a distress signal from the planet Ellna, only to crash-land on its penal moon, Entra. Plot Summary